From 28c6059071a8c9db89aa34c70e9a4b0dc4000f26 Mon Sep 17 00:00:00 2001
From: Phil Pennock <pdp@exim.org>
Date: Wed, 5 Oct 2011 00:21:34 -0400
Subject: [PATCH] Solaris/Irix portability hacks for reversion

---
 src/scripts/reversion | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/scripts/reversion b/src/scripts/reversion
index 32a867f25..ad83fe564 100755
--- a/src/scripts/reversion
+++ b/src/scripts/reversion
@@ -2,6 +2,25 @@
 
 # Update Exim's version header file.
 
+# Compatibility gross-ness for non-POSIX systems
+if [ -z "$EXIM_REVERSION_ADJUSTED" ]
+then
+  SHELL=/bin/sh
+  EXIM_REVERSION_ADJUSTED=yes
+  export SHELL EXIM_REVERSION_ADJUSTED
+  # Solaris:
+  if [ -x /usr/xpg4/bin/sh ]
+  then
+    PATH="/usr/xpg4/bin:$PATH"
+    SHELL=/usr/xpg4/bin/sh
+    export PATH SHELL
+  fi
+  # Irix:
+  _XPG=1 ; export _XPG
+  #
+  exec "$SHELL" "$0" "$@"
+fi
+
 # Read version information that was generated by a previous run of
 # this script, or during the release process.
 
-- 
2.25.1